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<div class="refentry">
<a name="boost.random.uniform_on_sphere"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Class template uniform_on_sphere</span></h2>
<p>boost::random::uniform_on_sphere</p>
</div>
<h2 class="refsynopsisdiv-title">Synopsis</h2>
<div class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../boost_random/reference.html#header.boost.random.uniform_on_sphere_hpp" title="Header &lt;boost/random/uniform_on_sphere.hpp&gt;">boost/random/uniform_on_sphere.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> RealType <span class="special">=</span> <span class="keyword">double</span><span class="special">,</span> <span class="keyword">typename</span> Cont <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span><span class="identifier">RealType</span><span class="special">&gt;</span> <span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">RealType</span> <a name="boost.random.uniform_on_sphere.input_type"></a><span class="identifier">input_type</span><span class="special">;</span> 
  <span class="keyword">typedef</span> <span class="identifier">Cont</span>     <a name="boost.random.uniform_on_sphere.result_type"></a><span class="identifier">result_type</span><span class="special">;</span>

  <span class="comment">// member classes/structs/unions</span>

  <span class="keyword">class</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">{</span>
  <span class="keyword">public</span><span class="special">:</span>
    <span class="comment">// types</span>
    <span class="keyword">typedef</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <a class="link" href="uniform_on_sphere/param_type.html#boost.random.uniform_on_sphere.param_type.distribution_type"><span class="identifier">distribution_type</span></a><span class="special">;</span>

    <span class="comment">// <a class="link" href="uniform_on_sphere/param_type.html#boost.random.uniform_on_sphere.param_typeconstruct-copy-destruct">construct/copy/destruct</a></span>
    <span class="keyword">explicit</span> <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_3-bb"><span class="identifier">param_type</span></a><span class="special">(</span><span class="keyword">int</span> <span class="special">=</span> <span class="number">2</span><span class="special">)</span><span class="special">;</span>

    <span class="comment">// <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_2-bb">public member functions</a></span>
    <span class="keyword">int</span> <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_2_1-bb"><span class="identifier">dim</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>

    <span class="comment">// <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_4-bb">friend functions</a></span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> 
      <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> 
      <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_4_1-bb"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> 
      <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> 
      <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_4_2-bb"><span class="keyword">operator</span><span class="special">&gt;&gt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
    <span class="keyword">bool</span> <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_4_3-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
    <span class="keyword">bool</span> <a class="link" href="uniform_on_sphere/param_type.html#id-1_3_33_5_6_48_1_1_1_3_4_4-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="special">}</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="uniform_on_sphere.html#boost.random.uniform_on_sphereconstruct-copy-destruct">construct/copy/destruct</a></span>
  <span class="keyword">explicit</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_7-bb"><span class="identifier">uniform_on_sphere</span></a><span class="special">(</span><span class="keyword">int</span> <span class="special">=</span> <span class="number">2</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">explicit</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_8-bb"><span class="identifier">uniform_on_sphere</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6-bb">public member functions</a></span>
  <span class="keyword">int</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_1-bb"><span class="identifier">dim</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_2-bb"><span class="identifier">param</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_3-bb"><span class="identifier">param</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="identifier">result_type</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_4-bb"><span class="identifier">min</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="identifier">result_type</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_5-bb"><span class="identifier">max</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_6-bb"><span class="identifier">reset</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> <span class="keyword">const</span> <span class="identifier">result_type</span> <span class="special">&amp;</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_7-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> 
    <span class="identifier">result_type</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_6_8-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_9-bb">friend functions</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> 
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> 
    <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_9_1-bb"><span class="keyword">operator</span><span class="special">&lt;&lt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> 
               <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> 
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> 
    <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_9_2-bb"><span class="keyword">operator</span><span class="special">&gt;&gt;</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> 
               <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">bool</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_9_3-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">bool</span> <a class="link" href="uniform_on_sphere.html#id-1_3_33_5_6_48_1_1_1_9_4-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="id-1.3.33.5.6.47.3.4"></a><h2>Description</h2>
<p>Instantiations of class template <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> model a  <a class="link" href="../../boost_random/reference.html#boost_random.reference.concepts.random_distribution" title="Random Distribution">random distribution</a> . Such a distribution produces random numbers uniformly distributed on the unit sphere of arbitrary dimension <code class="computeroutput">dim</code>. The <code class="computeroutput">Cont</code> template parameter must be a STL-like container type with begin and end operations returning non-const ForwardIterators of type <code class="computeroutput">Cont::iterator</code>. </p>
<div class="refsect2">
<a name="id-1.3.33.5.6.47.3.4.3"></a><h3>
<a name="boost.random.uniform_on_sphereconstruct-copy-destruct"></a><code class="computeroutput">uniform_on_sphere</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="id-1_3_33_5_6_48_1_1_1_7-bb"></a><span class="identifier">uniform_on_sphere</span><span class="special">(</span><span class="keyword">int</span> dim <span class="special">=</span> <span class="number">2</span><span class="special">)</span><span class="special">;</span></pre>
<p>Constructs a <code class="computeroutput"><code class="computeroutput"><a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a></code></code> distribution. <code class="computeroutput">dim</code> is the dimension of the sphere.</p>
<p>Requires: dim &gt;= 0 </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="id-1_3_33_5_6_48_1_1_1_8-bb"></a><span class="identifier">uniform_on_sphere</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs a <code class="computeroutput"><code class="computeroutput"><a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a></code></code> distribution from its parameters. </p>
</li>
</ol></div>
</div>
<div class="refsect2">
<a name="id-1.3.33.5.6.47.3.4.4"></a><h3>
<a name="id-1_3_33_5_6_48_1_1_1_6-bb"></a><code class="computeroutput">uniform_on_sphere</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="keyword">int</span> <a name="id-1_3_33_5_6_48_1_1_1_6_1-bb"></a><span class="identifier">dim</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>Returns the dimension of the sphere. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <a name="id-1_3_33_5_6_48_1_1_1_6_2-bb"></a><span class="identifier">param</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>Returns the parameters of the distribution. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="id-1_3_33_5_6_48_1_1_1_6_3-bb"></a><span class="identifier">param</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span><span class="special">;</span></pre>
<p>Sets the parameters of the distribution. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">result_type</span> <a name="id-1_3_33_5_6_48_1_1_1_6_4-bb"></a><span class="identifier">min</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>Returns the smallest value that the distribution can produce. Note that this is required to approximate the standard library's requirements. The behavior is defined according to lexicographical comparison so that for a container type of std::vector, dist.min() &lt;= x &lt;= dist.max() where x is any value produced by the distribution. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">result_type</span> <a name="id-1_3_33_5_6_48_1_1_1_6_5-bb"></a><span class="identifier">max</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>Returns the largest value that the distribution can produce. Note that this is required to approximate the standard library's requirements. The behavior is defined according to lexicographical comparison so that for a container type of std::vector, dist.min() &lt;= x &lt;= dist.max() where x is any value produced by the distribution. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="id-1_3_33_5_6_48_1_1_1_6_6-bb"></a><span class="identifier">reset</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>Effects: Subsequent uses of the distribution do not depend on values produced by any engine prior to invoking reset. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> <span class="keyword">const</span> <span class="identifier">result_type</span> <span class="special">&amp;</span> <a name="id-1_3_33_5_6_48_1_1_1_6_7-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span> eng<span class="special">)</span><span class="special">;</span></pre>
<p>Returns a point uniformly distributed over the surface of a sphere of dimension dim(). </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Engine<span class="special">&gt;</span> 
  <span class="identifier">result_type</span> <a name="id-1_3_33_5_6_48_1_1_1_6_8-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="identifier">Engine</span> <span class="special">&amp;</span> eng<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere/param_type.html" title="Class param_type">param_type</a> <span class="special">&amp;</span> param<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p>Returns a point uniformly distributed over the surface of a sphere of dimension param.dim(). </p>
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<div class="refsect2">
<a name="id-1.3.33.5.6.47.3.4.5"></a><h3>
<a name="id-1_3_33_5_6_48_1_1_1_9-bb"></a><code class="computeroutput">uniform_on_sphere</code> friend functions</h3>
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<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> 
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> 
  <a name="id-1_3_33_5_6_48_1_1_1_9_1-bb"></a><span class="keyword">operator</span><span class="special">&lt;&lt;</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_ostream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> os<span class="special">,</span> 
             <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span> sd<span class="special">)</span><span class="special">;</span></pre>
<p>Writes the distribution to a <code class="computeroutput">std::ostream</code>. </p>
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<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> Traits<span class="special">&gt;</span> 
  <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> 
  <a name="id-1_3_33_5_6_48_1_1_1_9_2-bb"></a><span class="keyword">operator</span><span class="special">&gt;&gt;</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_istream</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">Traits</span> <span class="special">&gt;</span> <span class="special">&amp;</span> is<span class="special">,</span> 
             <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span> sd<span class="special">)</span><span class="special">;</span></pre>
<p>Reads the distribution from a <code class="computeroutput">std::istream</code>. </p>
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<li class="listitem">
<pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_33_5_6_48_1_1_1_9_3-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre>
<p>Returns true if the two distributions will produce identical sequences of values, given equal generators. </p>
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<li class="listitem">
<pre class="literallayout"><span class="keyword">bool</span> <a name="id-1_3_33_5_6_48_1_1_1_9_4-bb"></a><span class="keyword">operator</span><span class="special">!=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="uniform_on_sphere.html" title="Class template uniform_on_sphere">uniform_on_sphere</a> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre>
<p>Returns true if the two distributions may produce different sequences of values, given equal generators. </p>
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</ol></div>
</div>
</div>
</div>
<div class="copyright-footer">Copyright © 2000-2005 Jens Maurer<br>Copyright © 2009, 2010 Steven Watanabe<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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